21011388

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{811}}^1$

素因数の和:962

約数の個数: 48

約数和(自身を含む): 52383744

約数和(自身を除く): 31372356

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 127, 204, 254, 381, 508, 762, 811, 1524, 1622, 2159, 2433, 3244, 4318, 4866, 6477, 8636, 9732, 12954, 13787, 25908, 27574, 41361, 55148, 82722, 102997, 165444, 205994, 308991, 411988, 617982, 1235964, 1750949, 3501898, 5252847, 7003796, 10505694, 21011388]

約数ペア:

[(1, 21011388), (2, 10505694), (3, 7003796), (4, 5252847), (6, 3501898), (12, 1750949), (17, 1235964), (34, 617982), (51, 411988), (68, 308991), (102, 205994), (127, 165444), (204, 102997), (254, 82722), (381, 55148), (508, 41361), (762, 27574), (811, 25908), (1524, 13787), (1622, 12954), (2159, 9732), (2433, 8636), (3244, 6477), (4318, 4866)]